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Finding the Fourth Proportional to 6,341.89, 8,750.78 and 3,982.36

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Solution

The fourth proportional to 6,341.89, 8,750.78 and 3,982.36 is: 5,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.89 : 8,750.78 = 3,982.36 : x
  2. Step 2: Convert to fraction form
    6,341.89/8,750.78 = 3,982.36/x
  3. Step 3: Cross multiply
    6,341.89x = 8,750.78 × 3,982.36
  4. Step 4: Simplify right side
    6,341.89x = 34,848,744.32
  5. Step 5: Solve for x
    x = 34,848,744.32/6,341.89
  6. Step 6: Final answer
    x = 5,495.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.